Polygonal speaker grill



FIG. 1 is a top perspective view of the polygonal speaker grill design.

FIG. 2 is a bottom perspective view of the polygonal speaker grill design.

FIGS. 3, 4, and 5 are front elevational views of the polygonal speaker grill design showing the slats present on the grill being horizontally, vertically, or diagonally positioned, respectively.

FIG. 6 is a rear elevational view of the polygonal speaker grill design.

FIG. 7 is a right side elevational view of FIG. 3, with the right side elevational views of FIGS. 4 and 5 (not shown) differing only in the vertical or diagonal position of the slats, respectively; and,

FIG. 8 is a left side elevational view of FIG. 3, with the left side elevational views of FIGS. 4 and 5 (not shown) differing only in the vertical or diagonal position of the slats, respectively.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a polygonal speaker grill, as shown and described. 